PDA

View Full Version : Tubes / Valves


Pages : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 [25] 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102

  1. Any one know were to buy the fu-80 tube?
  2. Maida Regulator PCB
  3. Suggestions for 7k output transformers.
  4. Help: Fluke 87V Meter Calibration
  5. Searching for Primaluna Prologue Three schematic
  6. JCM Build - Hum and Crackle
  7. Silvertone radio to Guitar Amp conversion question.
  8. Pentode Regulation Question
  9. pentodes with CCS load?
  10. Are these tube PCBs any good ?
  11. china 6L6 SEdiy
  12. What are your opinions of the ST-70 and St-120
  13. Baffle Step Compensation Tube Circuit
  14. 6L6 to 7027 cathode resistor value
  15. PCB to mount snapmout electrolytic capacitors
  16. Dared MC-7P Upgrades
  17. adapter to go from 6L6 to 807
  18. My Experience with a Jolida 202s (SoFar..)
  19. Cathodyne gain calculator link
  20. Dynakit ST-35?
  21. PSUD modeling old amp PS fails.
  22. Fisher 800 push-pull output stage not symmetrical. Why?
  23. Question of D3a driving 300B
  24. old console amp
  25. st35 vs millett DCPP vs tubelab simple SE
  26. New Tim Mellows OTL project
  27. Melted my mains transformer - Where to find replacement ?
  28. Strange.................
  29. Effect of high mains voltage?
  30. Kent SL 21 Tube head need help!!
  31. Hexfred or SIC rectifiers in choke supplies
  32. 'Strange' bass boost with impedance transformer
  33. Did my tubes go south ?
  34. Use of Tango NN-600-600 Transformers ?
  35. Anyone have an explanation for break(burn)in
  36. The Right Tube & TRannie
  37. 6SL7 / 6SN7 Phono
  38. Tube integrated amp in China.
  39. Power supply issues with Borbely style 12AU7/MOSFET hybrid
  40. heater elevation ground point
  41. Edison 12, can anyone help?
  42. Delay B+ using relay?
  43. New Schematic Linestage Tube Preamp using EF86 & 12AX7
  44. Phonostage (WAD clone) and 12B4A Preamp Build
  45. Interstage coupling feedback
  46. Just received a Yaqin MC-10T and have a couple of questions.
  47. Amplifier Troubleshooting
  48. Audio Preamplifier with PCC88
  49. Need Help With These TriodeDick Preamp Scematics
  50. I need help with my amp project
  51. Looking for unbalanced to balanced transformer
  52. Power Transformer Question
  53. My First Tube Amp Project S5 K-12G
  54. 6E2 vacuum tube compatibility
  55. Tube condenser microphone help!
  56. Audio transformer feedback loop
  57. yaqin vk amp without the loudness button uk version
  58. PP driver stage with local feedback
  59. Leader LAG-120B Audio Generator Manual Wanted
  60. Transformer brand question
  61. Single ended at 24Vcc 1+1W @ 8 ohm - three tubes
  62. EL41 PP power supply questions
  63. Reduce output on a ECC88CC class A pre-amp !
  64. SE OT impedance question
  65. DIY Tube amp book?
  66. 6P6P tubes?? will 6V6's work?
  67. RH84 amplifier build, but very weak distorted output
  68. Paralleling filament transformers
  69. 6ak5 triode mode disipation
  70. Equalize or Not Equilize when driving a tube amp ?
  71. How to retire from DIY and sell off all your workshop contents?
  72. New to tubes and diyaudio here, question about torrids and tube amps...
  73. PC Based Oscilliscope for Tube Curcuits
  74. Lamp in HV Centre Tap - why?
  75. EL156 PP
  76. 300B resistor
  77. Has anyone here bought from ussr-tubes.com ?
  78. Which cathode bypass capacitor?
  79. RIAA Schematic for-6SL7,7308 or?
  80. Chassis' for Tube Gear
  81. Convergent Audio Tech SL1 preamp
  82. Buy Them While You Can Not When You...
  83. Does anyone know of Thomas Martens?
  84. OTL for 40-80ohm speakers
  85. Morrison Dinosaur
  86. pcl86=14gw8 ??
  87. My little SE with GU50
  88. Source follower in a DC-coupled pp amp?
  89. Tube chassis for retail sale.
  90. Poor man's power supply
  91. High voltage driver for AB2 operation GU81m tubes
  92. 5AR4 rectified power supply question
  93. Direct Coupled Amp
  94. Is this EL84 kit from Germany worth fooling with?
  95. 6v6 PP Pentode mode
  96. 5 pin octal tube socket
  97. RCA Manual Typo?
  98. pete millet low mu preamp
  99. Capability to drive the 211 PP
  100. 6BG6G SE advice needed.
  101. Signal Generator: Which one to buy ? What to look for in a signal generator ?
  102. Power booster
  103. I've just build this steroe amplifier
  104. What amp to build? Push Pull, SE? thoughts?
  105. amp sounds bad- fatman itube 252
  106. 6C33 single ended class A2 (cathode network question)
  107. Sweet Peach EL34b Amp - Distortion?
  108. 6C33C socket types, where to buy?
  109. haedphone amp. using 6418< NEED HELP
  110. finished my 6au6/807 amplifier
  111. Thinking about building an S5 16LS 16W amp I've got some questions for the forum./
  112. Broskie "Unbalancer" - transformer specifications
  113. Tube chess.
  114. How Its Made - Vacuum Tubes
  115. Please help me understand power supply load
  116. 12AU7 - How absolute are maximum ratings?
  117. Tube rejuvination
  118. Article: Samsung brings back tubes in audio dock
  119. 1st build suggestions
  120. Parallel SE output
  121. Fixed Bias question
  122. vintage ua 610 schematic
  123. Which KT88 PP and which Transformers?
  124. Some more special small-signal tv tubes
  125. MR 67 Coupling Caps
  126. Help - YAQIN MS-20L schematic
  127. Power and Speaker cables
  128. v1 tube keeps going microphonic help! 5e3 build
  129. Leak TL12+ with triode mode EF86
  130. diy tube dampers
  131. VTVM troubleshooting help
  132. PP amp crossover distortion
  133. Sanity check please? ST-70(-ish) power supply
  134. Thoughts of apparent noise on ground - due to power tx?
  135. hybride circlotron
  136. Clone
  137. 8156 Beam Pentode Compactron
  138. DOUBLE TRIODE (6N16B)
  139. looking for Tube I/V analog for dac schematic ?
  140. NewBee PPEL84
  141. Whooaa! Now we're talking.
  142. Cinema Engineering AT-18
  143. Back from school
  144. Amp ideas for my spare 3.3k output transformers.
  145. HEllo and a few suggestions please
  146. 1SH24B Pre-Amp (or buffer?)
  147. Anode cap for GU 29 / QQE06/40
  148. Back to back autotransformers for B+?
  149. Sound Valves M60 schematics
  150. Volume Pot for RH84
  151. Mengyue mini el34b
  152. Which Chinese integrated tube amp have the power for Rock Song ?
  153. Help on transformers please
  154. 300B alternatives
  155. Anybody using a tube amp in their car?
  156. What is a KT88-98?
  157. 6au6 line stage a bad idea?
  158. Making a Kron tube
  159. AY Symphonies preamp
  160. Need to Upgrade Tube Preamp Volume Pot
  161. Tubelab Simple SE low B+
  162. Filament AC or DC?
  163. rasping sound from Dared VP-16
  164. Anyone have any "small signal" pentode models?
  165. Power amp distortion for modern amps
  166. Help with EL504-based amplifier
  167. Tubes: Are they worth it?
  168. Radio Shack Boston Monobloc (fuse question)
  169. 829B 3E29 Pentode PPP?
  170. Fixed Autobias?
  171. Best wishes
  172. Radiotron A504 amplifier schematic
  173. Blown power tube - a short story
  174. Hickok 752A calibration?
  175. replace EL34 with EL37 !?
  176. Mono push-pull driver PCB
  177. Magnavox 139AA schematics, info?
  178. Anyone knows what driver tube on DowdyLama's GM-70......
  179. Building an amp around the QB5/1750 transmitter tube
  180. Instrument amp from '59 Lowrey donor chassis.
  181. cascoded gyrator loaded 6H9C to low idle.
  182. vacuum tube DAC and connection
  183. Dynaco ST70 II Right Channel Out
  184. ST70 Inrush Issue
  185. ECC88 OTL heaphone amp
  186. Help with deciding to build or buy Tube amp.
  187. Luxman LV-105 static on on channel
  188. equivlent of FU-50
  189. placing the volume control
  190. PP 300B ''transformer coupled''
  191. My First Tube Preamp
  192. Tube amp kit and speaker recommendations?
  193. First design GU81M SE triode
  194. Instruments & Amps forum - where is it?
  195. Power supply capacitor question for tubelab simple ss
  196. EL300 = 6FN5 / PL300 = 35FN5 tube
  197. 6U8 driving 45
  198. very low impedance white follower with 6H13C
  199. EL86 Any idea helps.
  200. 6112 and 6111 Mini-preamp
  201. Expert advice on what preamp to chose
  202. Harman Kardon DPR-7, Commander series pre/mixer
  203. input transformer - mumetal casing etc.
  204. Oil-filled caps: ASC versus Panasonic
  205. SOHA headphone amp
  206. Using a single triode as a .......
  207. Sonic Frontiers SFP-1 Phono Stage
  208. Help!! with attenuation.
  209. power up inrush current limiter - anyone using?
  210. Audioromy FU-29, Latest Model 828A Mini Review
  211. Vertical-deflection
  212. Drilling a hole
  213. Edcor CXPP25-MS-8K V Triode Z-565
  214. bad opt measured values
  215. Mu Follower Driver for Push-Pull
  216. Hickok 539 question...
  217. need datasheets for a phillips transformer if anyone has any
  218. Chicago power XFMR question.
  219. Coupling Capacitor - Pls Help
  220. Help please on Christmas gift
  221. Audio Note P-zero
  222. SE EL34 Schematic - What do you think?
  223. Playing with hybrid amp: SRPP + MOSFET
  224. 300B filament supply question
  225. KT88 Parallel Push Pull
  226. cheating life out of old tubes?
  227. dBu transformer ratings
  228. Dared MP-2a3c mods
  229. Output transformers (Wolpert)
  230. Using Mains Transformers as Outputs
  231. Tube just for show...
  232. first project - first post - poddwatt
  233. High power CCS
  234. Analog Summing
  235. My new el34 + 12ax7 VCT amp. (Need Ideas For my first headphone vacuum tube amp Too~)
  236. cascode tubes
  237. High Fidelity by Pilot (circa 1953)
  238. Hardware help please
  239. integrated amps 100 per channel
  240. KT88 mounting question
  241. Output Transformer question
  242. Angstrom Thermionic
  243. ECC88 tube buffer NEEDED !
  244. Marshall 8080, missing components
  245. Paralell SE 807 Amp design
  246. Putting together a tweaker friendly amplifier!
  247. Tube chassis
  248. DHT headphone Hybrid-CF+
  249. Looking for specs on this Beyer Xfmr
  250. Resistors for Berning EA-2101?

Content Relevant URLs by vBSEO 3.3.2